Logic Puzzle PressVolume 1
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Puzzle 21

Post-Clue State

The grid after applying the clues, before making further deductions.

Reveal post-clue grid and clues Contains puzzle spoilers
Puzzle 21 post-clue grid showing clue-derived marks.
Open full-size grid ↗Opens in a new tab. Zoom in to inspect the labels and marks.

Clues

Clue colors match the highlighted cells in the grid. Clues can share a color.

  1. Lucas, the student whose cram session is on Tuesday, and the student studying in the cafeteria are three different students.
  2. The Wednesday cram session is either for AP Calculus or is Priya's cram session. Highlight color: yellow.
  3. Lucas neither studies biology nor studies history.
  4. The student studying in the courtyard has a cram session after Lucas's cram session, but before the AP Calculus cram session. Highlight color: blue.
  5. Priya's cram session is 2 days after the history cram session. Highlight color: green.
  6. Noah studies in the library.